Mathias lives in Copenhagen, Denmark.
He tends to publish a lot stuff on github.
He is an npm module author. He has written close to 500 modules. Modules he maintains have been downloaded more than 750 million times.
In the last years he has mainly been working with distributed systems and peer to peer in node (among other things he wrote a streaming torrent client called torrent-stream, a torrent video player and a torrent based file system)
He also works on the dat project where they are trying to revolutionize how data is being shared and versioned.
A Video from dotJS 2015